guppygourami
Aquarium Advice FINatic
Hey everyone. I have a 23G tank with around ten juvenile angelfish and their mother. Their father died today and I checked the parameters. Ammonia and nitrites were 0, pH was around 7 but nitrates were in the 40-160ppm range. What can I do to decrease this??? I tested it a few days ago and it was at 40. I've done a water change and gravel cleaning since then to find the parameters like this today. Any help regarding decreasing nitrates would be appreciated, thanks!